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Nickel 685 vs. SAE-AISI 1137 Steel

Nickel 685 belongs to the nickel alloys classification, while SAE-AISI 1137 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is SAE-AISI 1137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11 to 17
Fatigue Strength, MPa 470
250 to 400
Poisson's Ratio 0.29
0.29
Reduction in Area, % 20
34 to 39
Shear Modulus, GPa 77
73
Shear Strength, MPa 770
430 to 460
Tensile Strength: Ultimate (UTS), MPa 1250
700 to 760
Tensile Strength: Yield (Proof), MPa 850
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
51
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.9
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 340
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
360 to 1130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
25 to 27
Strength to Weight: Bending, points 31
22 to 24
Thermal Diffusivity, mm2/s 3.3
14
Thermal Shock Resistance, points 37
21 to 23

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0.32 to 0.39
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 2.0
97.8 to 98.3
Manganese (Mn), % 0 to 1.0
1.4 to 1.7
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0